whit·​en·​er | \ ˈhwīt-nər How to pronounce whitener (audio) , ˈwīt-; ˈhwī-tᵊn-ər, ˈwī-\

Definition of whitener

: one that whitens specifically : an agent (such as a bleach) used to impart whiteness to something

Examples of whitener in a Sentence

Recent Examples on the Web

The other kinds of at-home whiteners — whitening toothpastes or rinses — use polishing and other non-bleach agents to either scrub off or chemically remove stains that are closer to the surface. Abbie Kozolchyk, Good Housekeeping, "Best Tips and Tools to Whiten Your Smile," 7 Jan. 2011 While whiteners don't lighten bonds, veneers, and other dental work, certain brands, like Go Smile, Supersmile, and Glo, do remove stains on artificial tooth surfaces. Abbie Kozolchyk, Good Housekeeping, "Best Tips and Tools to Whiten Your Smile," 7 Jan. 2011 Add a laundry stain remover like OxiClean White Revive ($8, target.com), which has whiteners and enzymes, or fabric-safe bleach. Carolyn Forte, Good Housekeeping, "How to Get Sweat Stains Out of White Shirts," 20 May 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'whitener.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of whitener

1540, in the meaning defined above

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Time Traveler for whitener

The first known use of whitener was in 1540

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More from Merriam-Webster on whitener

Rhyming Dictionary: Words that rhyme with whitener

Spanish Central: Translation of whitener

Nglish: Translation of whitener for Spanish Speakers

Comments on whitener

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appealing forcibly to the mind or reason

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